
body{margin:0;padding:0;}
.wrap{width:450px;height:280px;border:2px solid #ccc;border-radius:16px;background:#fff;margin:auto;position:absolute;top:0;right:0;bottom:0;left:0;}
.content{width:280px;height:120px;margin:60px auto;}
.content span{margin-right:15px;}
.content .username{width:300px;height:50px;}
.content .username input{width:220px;height:30px;}
.content .password{width:300px;height:50px;}
.content .password input{width:220px;height:30px;}
.content .denglu{width:100%;height:40px;background:#f25c27;margin:20px auto;text-align:center;line-height:40px;letter-spacing:10px;color:#fff;font-size:15px;cursor:pointer;}